♥ The Rapid is a recreational monofin designed for teenagers and adults. Using a large single-blade, swimmers will learn a proper undulation in the water and obtain a great core and leg workout. The Rapid's flexible blade makes swimming more enjoya...

Increase Fitness and Cardiovascular Conditioning: Swimming is one of the best aerobic or cardiovascular-conditioning exercises, but many people forget to use their legs where the largest muscles are located. Swimmers who activate the large muscle mas...